2NP
2-4-22
YC10
YC13
YC8
DATABK_N
DATABK_P
SH_BK
BD_BK
GND
DATAM_N
DATAM_P
SH_M
FFC
BD_M
GND
YC3
YC43
DATAC_N
FFC
DATAC_P
SH_C
BD_C
GND
DATAY_N
DATAY_P
SH_Y
BD_Y
YC4
GND
YC9
YC14
VCONTC
GND
FFC
VCONTY
THLSUY
VCONTM
POLRDY_Y
VCONTK
POLRDY_C
POLREM_C
POLREM_M
POLRDY_BK
24V1
POLREM_BK
YC3
LSU_MOT_OUTA
LSU_MOT_OUTB
24V1
YC6
GND
24V1
GND
POLCLK_BK
POLCLK_M
POLRDY_M
POLCLK_C
POLREM_Y
FFC
POLCLK_Y
LSU_COLOR_EN
LSU_BK_EN
THLSUBK
GND
3.3VIL2
YC2
YC5
FFC
YC1
YC11
3
2
11
10
4
9
8
7
6
EPWB
1
31
APCPWB
APCPWB
APCPWB
APCPWB
LASER SUCANNER
UNIT-Y
LASER SUCANNER
UNIT-C
LASER SUCANNER
UNIT-M
LASER SUCANNER
UNIT-K
4
ENG_OFF
16
15
39
38
13
12
20
19
18
TAN
36
35
HOLD_ENG
TAP
GND
TBN
TBP
HSYNCB_P
HSYNCC_N
EGSBSY
40
39
40
8
12
38
EGSO
6
GND
15
14
2
4
5
3
14
15
9
13
23
22
16
17
27
26
20
1
8
1
5
25
24
SLEEP_INT
37
28
34
33
32
37
36
35
29
40
39
40
39
5
21
7
JS_LED
EGSIRN
11
HSYNDD_P
SLEEP
10
9
30
GND
GND
37
35
GND
34
SAR_CH1_N
33
32
MPWB
1
3
EGSCLK
2
EGSI
SLEEP_INT
EGSDIR
4
14
13
HSYNCC_P
HSYNDD_N
20
19
VSYNDD_P
HSYNCA_N
18
17
HSYNCA_P
HSYNCB_N
22
21
VSYNCC_P
VSYNDD_N
24
23
VSYNCB_P
VSYNCC_N
TCLKP
30
28
25
VSYNCA_P
VSYNCB_N
27
26
GND
VSYNCA_N
GND
33
GND
TCN
34
31
TCP
29
TCLKN
32
19
22
24
26
25
27
30
G6_EG_SDIR
G6_EG_SI
7
G6_EG_SO
6
5
12
10
11
8
10
2
6
7
4
3
16
31
GND
31
SAR_VCLK_N
30
VSYNC_AP
VSYNC_CP
VSYNC_BP
VSYNC_CN
HSYNC_BP
HSYNC_DN
HSYNC_DP
SLEEP_ENG
G6_EG_SCLK
G6_EG IRN
G6_EG_SBSY
16
HSYNC_CN
23
VSYNC_BN
15
23
HSYNC_BN
17
HSYNC_AP
17
21
HSYNC_CP
14
13
11
12
ENG_OFF(NC)
JS_LED
HLD_ENG
9
29
28
18
19
20
24
26
25
22
21
SAR_CH3_N
33
18
GND
28
VSYNC_AN
27
HSYNC_AN
VSYNC_DP
VSYNC_DN
SAR_VCLK_P
29
SAR_CH3_P
32
38
35
SAR_CH2_P
34
37
36
SAR_CH2_N
36
SAR_CH1_P
38
1
B1
B2
GND
SGND
1
LSUCPWB
MP(C)_CLK
20
LSU_TH(K)
1
SGND
BD(K)
2
3
B2
VCONT_C
B1
5
2
3
4
5
4
6
7
LSU_TH
8
10
BD
9
VDP
1
SH
4
14
16
5
3
VDP(M)
14
VDN(M)
6
7
1
2
1
8
1
9
1
9
2
YC7
7
14
8
8
13
5
Lock
4
3
Start/Stop
3
3
1
1
10
9
7
3.3VIL
BD
1
1
4
5
7
8
2
6
9
6
BD(M)
12
12
11
11
SGND
10
11
10
10
7
SH
SH(Y)
4
12
5
2
6
SGND
SGND
TH_LSU
LSU_TH
16
5
5
2
18
3
2
19
17
4
4
3
B3
B15
B13
B13
B15
B15
B1
B14
B2
B3
B3
B13
B12
B5
POL_RDY_Y
B4
B4
B4
B5
B5
B11
B6
B6
B6
B8
B10
B7
B8
B7
B7
B9
B8
B8
3.3VIL
VCONT_BK
EN
5
EN(C)
POL_RDY_C
19
20
20
B12
B12
B14
B14
19
B9
B10
B9
B10
B11
B11
17
B3
B3
B7
B7
17
18
B8
B8
18
B4
B4
POL_REM_BK
B13
B13
B3
B13
B4
B12
24V1
B7
B12
B11
B9
B10
B6
B10
B11
B12
B9
LSU_CL_MOT_REMA
B14
B14
B2
LSU_CL_MOT_REMB
B15
B15
B1
B14
B2
GND
A2
A2
A14
24V1
A1
A1
B1
B2
A15
B1
A13
A13
A15
A14
A14
A6
A1
A13
A2
A8
A3
A15
A8
A11
A9
A4
A7
A6
A9
MP(K)_REM
GND
A5
A4
A13
A3
A4
A2
A12
6
A12
A4
A12
A7
A7
A6
A10
A10
A9
MP(K)_CLK
5
EN(K)
3.3VIL
6
8
SH(K)
BDPWB
GND
4
FFC
3.3VIL
1
TH_LSU
3
BD
2
MP(M)_CLK
24V1
LSU_EN_BK
SGND
POL_CLK_Y
VDP(M)
3
VDP
24V1
A3
POL_REM_Y
3
3
MP(M)_REM
2
2
A3
POL_RDY_M
A7
A8
POL_CLK_M
A6
A8
POL_CLK_BK
1
19
2
VDN(K)
VDP(K)
20
1
19
19
2
20
20
1
Relay
4
16
15
17
13
13
SH(K)
BD(K)
1
24V1
2
PGND
2
1
2
4
3
18
17
18
3
18
3
17
PM-Y
24V1
5
5
2
2
GND
4
4
Clock
MP(Y)_RDY
4
MP(Y)_REM
SGND
MP(Y)_CLK
SH(M)
5
7
6
6
15
15
5
5
16
9
10
10
11
9
12
9
10
8
VCONT
VCONT
VDN(C)
3
8
VDP
1
VDP(Y)
VDN
2
VDN(Y)
9
10
11
11
SH(C)
8
VDP(C)
9
9
9
12
12
8
13
13
13
8
EN
EN(Y)
6
6
7
14
3.3VIL
3.3VIL
BD(Y)
2
5
8
4
3
15
BC(C)
7
15
6
6
7
14
16
16
15
14
TH_LSU
3
FFC
BD
2
1
1
GND
GND
3
5
3
LSU_TH(Y)
BD
VDN(Y)
VDP(Y)
2
4
GND
Lock
SH(Y)
BD(Y)
GND
SGND
1
3.3VIL
3
5
4
3
2
BDPWB
GND
4
PM-C
24V1
5
4
3
Start/Stop
2
4
MP(C)_RDY
24V1
3
MP(C)_REM
2
PGND
1
1
4
LSU_TH_Y
VDP
VDP(C)
5
5
VCONT_Y
1
VCONT_M
3
2
VDN(C)
SGND
2
VCONT
VCONT
GND
GND
SGND
7
3.3VIL
GND
Clock
1
SH
SH(C)
10
8
VDN
TH_LSU
1
10
BD
BD
LSU_TH
2
1
3.3VIL
BDPWB
GND
4
FFC
TH_LSU
3
BD
3.3VIL
1
POL_RDY_BK
BD(C)
POL_REM_M
4
POL_REM_C
LSU_TH(C)
3
Start/Stop
3
3
3
4
Clock
B6
B5
B11
B5
B5
B6
4
4
Lock
A11
B9
B10
PM-M
24V1
5
5
GND
POL_CLK_C
MP(M)_RDY
A12
A6
A4
PGND
A5
GND
24V1
A11
A5
A10
4
5
2
2
1
1
5
4
A9
2
1
10
VDN(M)
A10
A9
LSU_EN_COL
VDN
A10
BD
2
TH_LSU
SH(M)
4
7
GND
SH
1
A12
VCONT
VCONT
3
LSU_TH_BK
BDPWB
GND
4
FFC
3.3VIL
1
TH_LSU
3
BD
2
2
A13
3.3V3
3.3VIL3
4
5
A15
A13
BD(M)
3
B15
3.3VIL3
SGND
EN(M)
6
EN
GND
7
5
A3
1
A11
A1
A4
A5
A11
A5
A11
A12
A10
A7
A8
A8
A9
A7
A6
A1
GND
A14
A15
A14
Relay
A2
A15
A14
A5
A2
A3
PM-K
24V1
5
5
Clock
4
4
A1
Start/Stop
3
Lock
2
2
LSU_TH(M)
4
3.3VIL3
GND
3
1
1
7
5
3
9
10
2
VDN
VDN(K)
VCONT
VCONT
3
MP(K)_RDY
4
PGND
VDP(K)
4
3.3VIL
1
3.3VIL
1
GND
GND
EN
SGND
8
9
GND
10
4
3
BD
BD
2
TH_LSU
LSU_TH
1
2
LSUMOTA
LSUMOTB
2
LSUCM
REM
1
24V
2
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 710: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 711: ...FAX System W B Installation Guide ...